Rising fertility and Europe's integration became the main motors of the continent's economic boom.
增长的人口和欧洲一体化成了这块大陆经济繁荣的主要动力。
2
Rising food prices have been the main cause, with the cost of food up 11.7% in the year to March.
日益增长的食品价格是主要原因,一季度食品价格增长11.7%。
3
For Treasury bonds, rising interest rates are the main form of risk; for corporate, municipal and other bonds, the financial soundness of the underlying assets raises another kind of risk.